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Nishi-Tokyo-shi, Japan

Patent
TOYO INK Science HOLDINGS CO. and Toyo Ink Co. | Date: 2014-04-16

Provided is a non-aqueous maintenance liquid for an active energy ray-curable inkjet ink which can be used as a cleaning liquid for removing the inkjet ink and as a preserving liquid to fill the head when the printer is not in operation. The non-aqueous maintenance liquid for an active energy ray-curable inkjet ink of the present invention comprises a main liquid component, a pigment dispersant resin, and a surface control agent, wherein the main liquid component is an organic solvent and/or an active energy ray-curable compound, and the amount of the surface control agent is 0.01 to 10% by weight in 100% by weight of the maintenance liquid.


Patent
TOYO INK Science HOLDINGS CO. and Toyo Ink Co. | Date: 2014-04-11

To provide an aqueous ink for inkjet which has superior printability to typical printing media, particularly media having high glossiness, such as coated paper, art paper, and vinyl chloride sheets, and which is capable of forming a high quality image by printing. An aqueous ink for inkjet, comprising a pigment, a pigment dispersing resin, an organic solvent, and water, wherein: the organic solvent contains (A) a water-soluble organic solvent having a boiling point of 100 C. or higher and 180 C. or lower, and (B) an organic solvent having a boiling point of 200 C. or higher and 280 C. or lower, and having a surface tension of 20 mN/m or more and 30 mN/m or less.


Patent
TOYO INK Science HOLDINGS CO. and Toyo Ink Co. | Date: 2014-01-10

The present invention relates to an oil-based printing ink varnish comprising a polyurethane prepared using a polymeric polyol and a polyisocyanate as the main structural components, wherein the polyurethane is synthesized using, as a chain extender, a polyfunctional amine which contains at least one secondary amino group in each molecule and in which the total of the number of primary amino groups and the number of secondary amino groups is 3 or more per molecule. The present invention is able to provide a printing ink varnish containing a non-aromatic organic solvent and having excellent laminate strength, blocking resistance, dot reproducibility and plate clogging resistance, as well as a laminate ink containing the varnish.


Patent
The Film Co, Toyocolor Co. and TOYO INK Science HOLDINGS CO. | Date: 2014-03-18

A heat-ray-blocking fluororesin film includes a heat-ray-blocking metal oxide and a hydrotalcite-type compound represented by Chemical Formula [1], wherein the content of the hydrotalcite-based compound is 0.03 to 1.0 wt %. The heat-ray-blocking fluororesin can exhibit excellent heat-ray-blocking performance while keeping the properties inherent in fluororesin films such as mechanical properties, transparency and long-term weatherability and is transparent and can be used out of doors for a long period of time, wherein where 0.2a0.35 and 0c1; AN


Patent
TOYO INK Science HOLDINGS CO. and Toyo Ink Co. | Date: 2014-04-25

To provide an ink-jet white ink of active energy ray-curable type, wherein the white ink has high printing stability and good hiding property, and is particularly suitable for printing on the single-pass ink-jet printing system. An ink-jet white ink of active energy ray-curable type, comprising titanium oxide, a pigment dispersant, and a polymerizable compound, wherein the content of the titanium oxide is from 15 to 30% by weight with reference to the total weight of the ink, and wherein the weight average particle diameter of the titanium oxide is 180 to 250 nm. In an embodiment of the ink, the titanium oxide is titanium oxide that surface is treated with silica and the pigment dispersant comprises a basic dispersant.

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